Carl Edwards, meanwhile, won Sunday's race, taking his second straight victory after going 70 events without a title. He ended up finishing fourth in the Chase for the Championship standings.
Harvick finished third at Homestead and Hamlin ended in 14th place.
Harvick was assessed a crucial penalty that dented his title hopes, with officials ruling he left the pits too early while holding the lead on lap 192 of 267.
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